Glossary
Rolling Machine Operator Terms & Vocabulary
15 essential rolling machine operator terms with plain-English definitions: the vocabulary you’ll hear in training and on day one.
Key rolling machine operator vocabulary
These 15 terms come up constantly in rolling machine operator training, on the job and in interviews. Knowing them helps you follow instructions, document accurately and sound prepared.
- Coil
- Rolled metal.
- Cold rolling
- Rolling at room temperature.
- Crown
- Thicker middle.
- First article
- First part checked before a run.
- Flatness
- How flat the sheet is.
- Gauge
- Metal thickness.
- Hot rolling
- Rolling hot metal.
- Lockout/tagout
- Energy isolation before servicing.
- Pass
- One trip through rolls.
- PPE
- Personal protective equipment.
- Reduction
- Thickness decrease.
- Roll gap
- Space between rolls.
- Scrap
- Parts that fail inspection.
- SOP
- Standard operating procedure.
- Work roll
- Contacts metal.
Practice these terms
Test yourself with the free Rolling Machine Operator practice test: it includes vocabulary questions built from this list. For a complete course, see Rolling Machine Operator training.
Browse terms from every career in our career glossary.